Upgrade Scala and dependant deps to 2.11.0-RC1.

Scala 2.10.3 => 2.11.0-RC1
ScalaTest 2.0 => 2.1
ScalaCheck 1.11.0 => 1.11.3
ScalaUtils 2.0 => 2.1.0
Fix compile error.

community/cypher/cypher-compiler-2.1/src/test/scala/org/neo4j/cypher/internal/compiler/v2_1/pipes/matching/StepSizeTest.scala

Non-zero integral values may not have a leading zero.
    val second = VarLengthStep(01, Seq(), Direction.OUTGOING, 0, None, None, True(), True())
                                   ^